| 释义 |
trunk line
1. A main railway line. Also fig.
1843R. Wilson Let. 13 Jan. in W. F. Cooke Electric Telegraph (1857) i. 219 Mr. Cooke's first object..would be to get the Telegraph laid down on the Croydon or some other trunk line. 1851Dickens Our School in Househ. Words 11 Oct. 81/1 The Railway had cut it up... A great trunk-line had swallowed the playground. 1858Simmonds Dict. Trade, Trunk-line, the main line of a railway, separate from the branch lines or feeders. 1861Sat. Rev. 7 Sept. 236 The trunk lines already in existence are substantially all that the country requires. 1888B. F. C. Costelloe Ch. Cath. 19 Great trunk lines of liturgical tradition.
2. Teleph. = trunk n. 4 c (a).
1883Pall Mall Gaz. 6 Dec. 12/2 The cost of laying a trunk line overhead averages about {pstlg}25 a mile. 1893Preece & Stubbs Man. Telephony xxi. 336 The main trunk lines—those connecting [London] with the various provincial exchanges—are invariably metallic. 1926T. E. Lawrence Seven Pillars cxi. 590 Young and I cut the telegraph, here an important network of trunk and local lines. 1964M. McLuhan Understanding Media xxx. 306 Radio's use of the telephone in a glorified form of the old trunk-line wire-tapping. 1980Wall St. Jrnl. 26 Nov. 10/2 The Federal Communications Commission voted to authorize American Telephone & Telegraph Co. to install an optical-fiber telephone trunk line between Washington and N.Y.
3. A large or main pipeline for oil or gas, esp. one from a production field to a refinery or terminal.
1896Redwood & Holloway Petroleum II. vii. 475 As soon as the well is found to yield, the tank is connected by a 2-inch pipe with the trunk line. 1925A. B. Thompson Oil-Field Exploration & Devel. II. xix. 1092 Long-distance trunk lines entail nearly as much work in surveys and construction as a railway. 1975Offshore Sept. 195/2 The compressor will push the gas shoreward through a 67 mile, 42 inch diameter trunkline to a platform in West Cameron block 167 offshore Louisiana. |